What is the real use of Method Overloading in Java or Programming?

Many programmers, including Java and C++, knows about overloading e.g. method overloading or function overloading, but if you ask them why you should overload a method? Many of them become clueless. This is a common problem of half learning i.e. you know the concept but you don't know the application. If you neither know what problem it solves nor what benefit it provides, then just knowing the concept is not good enough. You won't be able to reap all benefit if you just know the concept and never use it in practice. The most important benefit overloading provides is a cleaner and intuitive API.
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